Security restrictions bypass in Microsoft Internet Explorer - CVE-2018-8126
Published: May 8, 2018 / Updated: May 8, 2018
Vulnerability identifier: #VU12491
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-8126
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Internet Explorer
Microsoft Internet Explorer
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass security restrictions.
The vulnerability exists due to an error when Internet Explorer fails to validate User Mode Code Integrity (UMCI) policies. A remote attacker can trick the victim into visiting a specially crafted website, run unsigned malicious code as though it were signed by a trusted source and bypass Device Guard UMCI policies.
How to mitigate CVE-2018-8126
Install updates from vendor's website.